Finding the Fourth Proportional to 11,748,201.97, 17,622,278.70 and 6,628,307.71
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Solution
The fourth proportional to 11,748,201.97, 17,622,278.70 and 6,628,307.71 is: 9,942,447.88
Step by Step Solution
- Step 1: Write the proportion equation
11,748,201.97 : 17,622,278.70 = 6,628,307.71 : x - Step 2: Convert to fraction form
11,748,201.97/17,622,278.70 = 6,628,307.71/x - Step 3: Cross multiply
11,748,201.97x = 17,622,278.70 × 6,628,307.71 - Step 4: Simplify right side
11,748,201.97x = 116,805,885,774,978.77 - Step 5: Solve for x
x = 116,805,885,774,978.77/11,748,201.97 - Step 6: Final answer
x = 9,942,447.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.